id:A141250 - OEIS Search Results

Search: id:A141250

Displaying 1-1 of 1 results found.

page 1

Prime powers related to minimal visibility in the square n X n lattice.

+0
2

11, 17, 23, 37, 41, 97, 101, 121, 137, 157, 191, 211, 223, 227, 331, 347, 431, 443, 457 (list; graph; listen)

	OFFSET	`1,1`
	COMMENT	`So far 121 is the only nonprime here. The numbers in A141249 greater than 1 are 2*a(n)-1.`
	CROSSREFS	`Cf. A141246.` `Sequence in context: A076812 A074207 A063638 this_sequence A096454 A099722 A031505` `Adjacent sequences: A141247 A141248 A141249 this_sequence A141251 A141252 A141253`
	KEYWORD	`nonn`
	AUTHOR	`T. D. Noe (noe(AT)sspectra.com), Jun 17 2008`

page 1

Search completed in 0.002 seconds

Last modified November 25 20:09 EST 2009. Contains 167514 sequences.